(5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane

Base Information

Chemical Name:(5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane
CAS No.:1408237-16-0
Molecular Formula:C₃₈H₄₈O₂Si₂
Molecular Weight:592.969
Hs Code.:

Synonyms:(5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane

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Chemical Property of (5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane

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Technology Process of (5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane

There total 13 articles about (5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

: 1408237-15-9
(2R,3S,5R)-3,5-bis(tert-butyldiphenylsilyloxy)hexane-1,2-diol

: 1408237-16-0
(5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane

Guidance literature:: (2R,3S,5R)-3,5-bis(tert-butyldiphenylsilyloxy)hexane-1,2-diol; With 1H-imidazole; iodine; triphenylphosphine; In toluene; for 48h; Reflux;

With zinc; In N,N-dimethyl-formamide; for 6h; Reflux;
DOI:10.1016/j.tetasy.2012.07.015

Reference yield: 10.0%

: 1408237-15-9
(2R,3S,5R)-3,5-bis(tert-butyldiphenylsilyloxy)hexane-1,2-diol

: 1408237-16-0
(5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane

: C₃₈H₄₈I₂O₂Si₂

Guidance literature:: With 1H-imidazole; iodine; triphenylphosphine; In toluene; for 48h; Reflux;
DOI:10.1016/j.tetasy.2012.07.015

Reference yield:

: tert-butyl((S)-1-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-(oxiran-2-yl)ethoxy)diphenylsilane

: 1408237-16-0
(5R,7S)-2,2,5,10,10-pentamethyl-3,3,9,9-tetraphenyl-7-vinyl-4,8-dioxa-3,9-disilaundecane

Guidance literature:: Multi-step reaction with 5 steps

1.1: diisobutylaluminium hydride / dichloromethane; toluene / 1 h / -78 °C

2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 5 h / 20 °C

3.1: 1H-imidazole / dichloromethane / 0 - 20 °C

4.1: pyridinium p-toluenesulfonate / methanol / 12 h / 50 °C

5.1: 1H-imidazole; iodine; triphenylphosphine / toluene / 48 h / Reflux

5.2: 6 h / Reflux

With 1H-imidazole; tetrabutyl ammonium fluoride; iodine; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; triphenylphosphine; In tetrahydrofuran; methanol; dichloromethane; toluene;
DOI:10.1016/j.tetasy.2012.07.015